Tate Modern has ensured another decade of popular large-scale installations in its Turbine Hall – which has hosted work from Ai Weiwei’s porcelain sunflower seeds to Olafur Eliasson’s giant sun – after signing its “largest and longest” sponsorship deal.

One of the most interesting dates in the diary next week will see Frances Segelman bring theatre to the world of sculpture. The artist is due to sculpt a bust of Sir Derek Jacobi in front of a live audience, in just two hours.